Text and Data Mining valid from 2019-11-14
Received: 20 August 2019
Accepted: 29 October 2019
First Online: 14 November 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Written informed consent for the publication of identifying images and information was given by the parent/legal guardian for those under 16 years old. Patients over 16 years old gave their own consent.
: The authors declare that they have no competing interests.